Orifice diameter 0.593 in.; lg 2.946 in.
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 6130-01-197-7397
NSN 5935-00-932-3329
NSN 6620-01-551-7922
NSN 5855-01-278-8922
NSN 5835-01-481-4204
NSN 5990-01-623-0082
NSN 5835-00-880-6477
NSN 6145-01-390-7129
NSN 5930-00-451-8542
NSN 6685-00-809-4297
NSN 6650-01-223-7607
NSN 6145-01-099-9620